Tuesday, February 25, 2014

How many integer (x,y) solutions exist to:
(1/x)+(1/y) = (1/2014)

Monday, February 17, 2014

How many different ways can you write the number 120 as a sum of one or more consecutive integers?

How about the number 513?  2014?


Tuesday, February 4, 2014

What are the last two digits of the number " 22014 + 02014 + 12014 + 42014 "?